void Group::reallocate(size_t capacity)
{
if (capacity > pool.getNbReserved())
{
pool.reallocate(capacity);
Particle::ParticleData* newData = new Particle::ParticleData[pool.getNbReserved()];
float* newCurrentParams = new float[pool.getNbReserved() * model->getSizeOfParticleCurrentArray()];
float* newExtendedParams = new float[pool.getNbReserved() * model->getSizeOfParticleExtendedArray()];
memcpy(newData,particleData,pool.getNbTotal() * sizeof(Particle::ParticleData));
memcpy(newCurrentParams,particleCurrentParams,pool.getNbTotal() * sizeof(float) * model->getSizeOfParticleCurrentArray());
memcpy(newExtendedParams,particleExtendedParams,pool.getNbTotal() * sizeof(float) * model->getSizeOfParticleExtendedArray());
delete[] particleData;
delete[] particleCurrentParams;
delete[] particleExtendedParams;
particleData = newData;
particleCurrentParams = newCurrentParams;
particleExtendedParams = newExtendedParams;
// Destroys all the buffers
destroyAllBuffers();
}
}
void Group::reallocate(size_t capacity)
{
if (capacity > pool.getNbReserved())
{
pool.reallocate(capacity);
Particle::ParticleData* newData = new Particle::ParticleData[pool.getNbReserved()];
float* newCurrentParams = new float[pool.getNbReserved() * model->getSizeOfParticleCurrentArray()];
float* newExtendedParams = new float[pool.getNbReserved() * model->getSizeOfParticleExtendedArray()];
std::memcpy(newData,particleData,pool.getNbTotal() * sizeof(Particle::ParticleData));
std::memcpy(newCurrentParams,particleCurrentParams,pool.getNbTotal() * sizeof(float) * model->getSizeOfParticleCurrentArray());
std::memcpy(newExtendedParams,particleExtendedParams,pool.getNbTotal() * sizeof(float) * model->getSizeOfParticleExtendedArray());
delete[] particleData;
delete[] particleCurrentParams;
delete[] particleExtendedParams;
particleData = newData;
particleCurrentParams = newCurrentParams;
particleExtendedParams = newExtendedParams;
for (Pool<Particle>::iterator it = pool.begin(); it != pool.endInactive(); ++it)
{
it->group = this;
it->data = particleData + it->index;
it->currentParams = particleCurrentParams + it->index * model->getSizeOfParticleCurrentArray();
it->extendedParams = particleExtendedParams + it->index * model->getSizeOfParticleExtendedArray();
}
// Destroys all the buffers
destroyAllBuffers();
}
}
void Group::setModel(Model* newmodel)
{
if(!newmodel) newmodel = &getDefaultModel();
if(model == newmodel) return;
// empty and change model
empty();
decrementChildReference(model);
incrementChildReference(newmodel);
model = newmodel;
// recreate data
delete[] particleData;
delete[] particleCurrentParams;
delete[] particleExtendedParams;
particleData = new Particle::ParticleData[pool.getNbReserved()];
particleCurrentParams = new float[pool.getNbReserved() * model->getSizeOfParticleCurrentArray()];
particleExtendedParams = new float[pool.getNbReserved() * model->getSizeOfParticleExtendedArray()];
pool.clear();
// Destroys all the buffers
destroyAllBuffers();
}
Group::~Group()
{
delete[] particleData;
delete[] particleCurrentParams;
delete[] particleExtendedParams;
// destroys additional buffers
destroyAllBuffers();
}